S3·E16 Dark on Top of Everything Else
Aired January 16, 1969
Synopsis
Ann and Donald decide to take a little vacation from themselves, so Ann decides to move into her parent's house. Her parents are going on vacation, and she stays there. A noise gets her locked down in the basement and she is trapped. Her parents are worried when Ann doesn't answer the phone and they hurry back home to find that Donald has rescued her.